Home / 246,108.80-339,637.20-138,672.92

Finding the Fourth Proportional to 246,108.80, 339,637.20 and 138,672.92

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Solution

The fourth proportional to 246,108.80, 339,637.20 and 138,672.92 is: 191,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,108.80 : 339,637.20 = 138,672.92 : x
  2. Step 2: Convert to fraction form
    246,108.80/339,637.20 = 138,672.92/x
  3. Step 3: Cross multiply
    246,108.80x = 339,637.20 × 138,672.92
  4. Step 4: Simplify right side
    246,108.80x = 47,098,482,264.62
  5. Step 5: Solve for x
    x = 47,098,482,264.62/246,108.80
  6. Step 6: Final answer
    x = 191,372.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.